Florida tide station

St. Augustine Beach tide times

Today, Sunday, October 18, 2026: high tide at 2:00 AM (4.0 ft) and 2:29 PM (4.7 ft); low tide at 8:11 AM (1.5 ft) and 9:06 PM (1.6 ft). Water temperature 79.7 F at buoy 41117 (15 mi away).

NOAA station 8720587 · Reference station · MLLW datum · times in EDT · sunrise 7:29 AM, sunset 6:51 PM · first quarter (51% lit)

High tide▲

2:00AM

4.0FT MLLW

high

Low tide▼

8:11AM

1.5FT MLLW

low

High tide▲

2:29PM

4.7FT MLLW

high

Low tide▼

9:06PM

1.6FT MLLW

low

predicted height above MLLWnightnow (build time; your browser updates it)

As of 5:20 AM the tide is falling toward low tide at 8:11 AM (1.5 ft).

First Quarter 51% litSunrise 7:29 AMSunset 6:51 PMDaylight 11h 22mEDT

High tide at St. Augustine Beach, Florida on October 18, 2026 is at 2:00 AM (4.0 ft above MLLW) and 2:29 PM (4.7 ft above MLLW).
Low tide at St. Augustine Beach on October 18, 2026 is at 8:11 AM (1.5 ft) and 9:06 PM (1.6 ft).
Today's tidal range at St. Augustine Beach is 3.2 ft (highest high 4.7 ft, lowest low 1.5 ft).
The nearest NOAA water temperature to St. Augustine Beach is 79.7 F at buoy 41117 (15 mi away), as of October 18, 2026.
Sunrise 7:29 AM, sunset 6:51 PM (EDT); moon first quarter, 51% illuminated.
Predictions are NOAA CO-OPS tide predictions for station 8720587 (harmonic reference station), heights above MLLW.

Next 7 days at St. Augustine Beach

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Oct 18today	2:00 AM4.0 ft	8:11 AM1.5 ft	2:29 PM4.7 ft	9:06 PM1.6 ft	7:29 AM	6:51 PM	51%
Mon Oct 19	2:59 AM4.0 ft	9:07 AM1.5 ft	3:28 PM4.7 ft	9:54 PM1.4 ft	7:30 AM	6:50 PM	61%
Tue Oct 20	3:58 AM4.2 ft	10:01 AM1.4 ft	4:24 PM4.8 ft	10:40 PM1.3 ft	7:30 AM	6:49 PM	71%
Wed Oct 21	4:52 AM4.5 ft	10:53 AM1.2 ft	5:14 PM4.9 ft	11:23 PM1.0 ft	7:31 AM	6:48 PM	80%
Thu Oct 22	5:39 AM4.9 ft	11:43 AM1.0 ft	6:01 PM5.0 ft		7:32 AM	6:47 PM	88%
Fri Oct 23	12:05 AM0.7 ft	6:23 AM5.3 ft	12:32 PM0.8 ft	6:45 PM5.2 ft	7:32 AM	6:46 PM	94%
Sat Oct 24	12:46 AM0.5 ft	7:06 AM5.7 ft	1:19 PM0.5 ft	7:29 PM5.2 ft	7:33 AM	6:45 PM	98%

Water temperature near St. Augustine Beach

79.7 F (26.5 C)

NDBC buoy 41117 (St. Augustine, FL), 15 mi away, observed 08:26 UTC October 18, 2026

Water temperature is the nearest NOAA reading to St. Augustine Beach, not a measurement at the tide gauge itself (this station has no water-temperature sensor). See water temperature by state for every sensor and buoy.

Tide tables

High (▲) and low (▼) tides in EDT with sunrise, sunset and moon illumination. CSV of today's tides for every Florida station.

October 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Thu Oct 1					7:19 AM	7:11 PM	72%
Fri Oct 2					7:19 AM	7:10 PM	62%
Sat Oct 3					7:20 AM	7:08 PM	52%
Sun Oct 4					7:20 AM	7:07 PM	41%
Mon Oct 5					7:21 AM	7:06 PM	31%
Tue Oct 6					7:21 AM	7:05 PM	22%
Wed Oct 7					7:22 AM	7:04 PM	14%
Thu Oct 8					7:23 AM	7:02 PM	7%
Fri Oct 9					7:23 AM	7:01 PM	3%
Sat Oct 10					7:24 AM	7:00 PM	0%
Sun Oct 11					7:24 AM	6:59 PM	0%
Mon Oct 12					7:25 AM	6:58 PM	2%
Tue Oct 13					7:26 AM	6:57 PM	7%
Wed Oct 14					7:26 AM	6:56 PM	13%
Thu Oct 15					7:27 AM	6:55 PM	21%
Fri Oct 16	12:18 AM4.2 ft	6:15 AM1.3 ft	12:42 PM5.0 ft	7:19 PM1.5 ft	7:28 AM	6:53 PM	30%
Sat Oct 17	1:06 AM4.0 ft	7:12 AM1.5 ft	1:33 PM4.8 ft	8:14 PM1.6 ft	7:28 AM	6:52 PM	40%
Sun Oct 18today	2:00 AM4.0 ft	8:11 AM1.5 ft	2:29 PM4.7 ft	9:06 PM1.6 ft	7:29 AM	6:51 PM	51%
Mon Oct 19	2:59 AM4.0 ft	9:07 AM1.5 ft	3:28 PM4.7 ft	9:54 PM1.4 ft	7:30 AM	6:50 PM	61%
Tue Oct 20	3:58 AM4.2 ft	10:01 AM1.4 ft	4:24 PM4.8 ft	10:40 PM1.3 ft	7:30 AM	6:49 PM	71%
Wed Oct 21	4:52 AM4.5 ft	10:53 AM1.2 ft	5:14 PM4.9 ft	11:23 PM1.0 ft	7:31 AM	6:48 PM	80%
Thu Oct 22	5:39 AM4.9 ft	11:43 AM1.0 ft	6:01 PM5.0 ft		7:32 AM	6:47 PM	88%
Fri Oct 23	12:05 AM0.7 ft	6:23 AM5.3 ft	12:32 PM0.8 ft	6:45 PM5.2 ft	7:32 AM	6:46 PM	94%
Sat Oct 24	12:46 AM0.5 ft	7:06 AM5.7 ft	1:19 PM0.5 ft	7:29 PM5.2 ft	7:33 AM	6:45 PM	98%
Sun Oct 25	1:27 AM0.2 ft	7:49 AM6.1 ft	2:04 PM0.3 ft	8:13 PM5.3 ft	7:34 AM	6:44 PM	100%
Mon Oct 26	2:08 AM0.0 ft	8:34 AM6.3 ft	2:49 PM0.2 ft	8:58 PM5.2 ft	7:34 AM	6:43 PM	99%
Tue Oct 27	2:51 AM-0.1 ft	9:21 AM6.5 ft	3:36 PM0.2 ft	9:46 PM5.2 ft	7:35 AM	6:43 PM	97%
Wed Oct 28	3:36 AM-0.1 ft	10:10 AM6.5 ft	4:26 PM0.3 ft	10:36 PM5.0 ft	7:36 AM	6:42 PM	92%
Thu Oct 29	4:26 AM0.1 ft	11:02 AM6.4 ft	5:22 PM0.5 ft	11:30 PM4.9 ft	7:37 AM	6:41 PM	85%
Fri Oct 30	5:22 AM0.3 ft	11:57 AM6.1 ft	6:25 PM0.7 ft		7:37 AM	6:40 PM	77%
Sat Oct 31	12:27 AM4.7 ft	6:28 AM0.5 ft	12:56 PM5.9 ft	7:31 PM0.8 ft	7:38 AM	6:39 PM	68%

November 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Nov 1	1:30 AM4.7 ft	6:38 AM0.6 ft	12:59 PM5.6 ft	7:35 PM0.8 ft	6:39 AM	5:38 PM	57%
Mon Nov 2	1:39 AM4.7 ft	7:47 AM0.7 ft	2:05 PM5.4 ft	8:35 PM0.7 ft	6:40 AM	5:37 PM	46%
Tue Nov 3	2:48 AM4.8 ft	8:53 AM0.7 ft	3:11 PM5.2 ft	9:30 PM0.6 ft	6:40 AM	5:37 PM	36%
Wed Nov 4	3:52 AM5.1 ft	9:56 AM0.7 ft	4:11 PM5.1 ft	10:21 PM0.5 ft	6:41 AM	5:36 PM	26%
Thu Nov 5	4:47 AM5.4 ft	10:55 AM0.7 ft	5:05 PM5.1 ft	11:09 PM0.4 ft	6:42 AM	5:35 PM	17%
Fri Nov 6	5:36 AM5.6 ft	11:50 AM0.6 ft	5:54 PM5.0 ft	11:54 PM0.4 ft	6:43 AM	5:34 PM	10%
Sat Nov 7	6:21 AM5.8 ft	12:39 PM0.5 ft	6:40 PM4.9 ft		6:44 AM	5:34 PM	5%
Sun Nov 8	12:36 AM0.4 ft	7:03 AM5.9 ft	1:23 PM0.5 ft	7:23 PM4.8 ft	6:44 AM	5:33 PM	1%
Mon Nov 9	1:16 AM0.4 ft	7:44 AM5.9 ft	2:04 PM0.5 ft	8:04 PM4.7 ft	6:45 AM	5:32 PM	0%
Tue Nov 10	1:54 AM0.5 ft	8:23 AM5.8 ft	2:43 PM0.6 ft	8:45 PM4.5 ft	6:46 AM	5:32 PM	1%
Wed Nov 11	2:31 AM0.6 ft	9:03 AM5.6 ft	3:22 PM0.8 ft	9:25 PM4.4 ft	6:47 AM	5:31 PM	4%
Thu Nov 12	3:10 AM0.8 ft	9:44 AM5.4 ft	4:04 PM1.0 ft	10:06 PM4.2 ft	6:48 AM	5:31 PM	10%
Fri Nov 13	3:51 AM1.0 ft	10:25 AM5.2 ft	4:50 PM1.1 ft	10:48 PM4.1 ft	6:48 AM	5:30 PM	17%
Sat Nov 14	4:37 AM1.1 ft	11:08 AM5.0 ft	5:40 PM1.3 ft	11:32 PM4.0 ft	6:49 AM	5:30 PM	25%
Sun Nov 15	5:30 AM1.3 ft	11:53 AM4.8 ft	6:31 PM1.3 ft		6:50 AM	5:29 PM	35%
Mon Nov 16	12:21 AM3.9 ft	6:27 AM1.4 ft	12:42 PM4.6 ft	7:19 PM1.2 ft	6:51 AM	5:29 PM	45%
Tue Nov 17	1:14 AM4.0 ft	7:24 AM1.4 ft	1:34 PM4.5 ft	8:05 PM1.1 ft	6:52 AM	5:28 PM	56%
Wed Nov 18	2:10 AM4.2 ft	8:19 AM1.3 ft	2:30 PM4.5 ft	8:49 PM0.9 ft	6:53 AM	5:28 PM	66%
Thu Nov 19	3:05 AM4.5 ft	9:13 AM1.1 ft	3:25 PM4.5 ft	9:33 PM0.7 ft	6:53 AM	5:28 PM	76%
Fri Nov 20	3:58 AM4.9 ft	10:07 AM0.9 ft	4:18 PM4.5 ft	10:18 PM0.4 ft	6:54 AM	5:27 PM	84%
Sat Nov 21	4:47 AM5.3 ft	11:00 AM0.6 ft	5:09 PM4.7 ft	11:05 PM0.1 ft	6:55 AM	5:27 PM	91%
Sun Nov 22	5:35 AM5.8 ft	11:52 AM0.4 ft	5:58 PM4.8 ft	11:52 PM-0.1 ft	6:56 AM	5:27 PM	96%
Mon Nov 23	6:23 AM6.1 ft	12:43 PM0.1 ft	6:47 PM4.9 ft		6:57 AM	5:26 PM	99%
Tue Nov 24	12:40 AM-0.3 ft	7:12 AM6.4 ft	1:32 PM-0.1 ft	7:37 PM4.9 ft	6:58 AM	5:26 PM	100%
Wed Nov 25	1:29 AM-0.5 ft	8:02 AM6.5 ft	2:22 PM-0.1 ft	8:28 PM4.9 ft	6:58 AM	5:26 PM	98%
Thu Nov 26	2:19 AM-0.5 ft	8:54 AM6.5 ft	3:14 PM-0.1 ft	9:21 PM4.9 ft	6:59 AM	5:26 PM	95%
Fri Nov 27	3:12 AM-0.4 ft	9:48 AM6.3 ft	4:09 PM0.1 ft	10:16 PM4.8 ft	7:00 AM	5:25 PM	89%
Sat Nov 28	4:10 AM-0.1 ft	10:42 AM6.0 ft	5:09 PM0.2 ft	11:14 PM4.7 ft	7:01 AM	5:25 PM	81%
Sun Nov 29	5:15 AM0.1 ft	11:39 AM5.7 ft	6:11 PM0.3 ft		7:02 AM	5:25 PM	73%
Mon Nov 30	12:15 AM4.7 ft	6:25 AM0.4 ft	12:38 PM5.3 ft	7:11 PM0.3 ft	7:02 AM	5:25 PM	63%

Tidal datums at St. Augustine Beach

Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 8720587, in feet above MLLW:

MHHW

8.15 ft

Mean higher high water

MHW

7.78 ft

Mean high water

MSL

5.44 ft

Mean sea level

MLW

3.17 ft

Mean low water

4.61 ft

Mean range

5.15 ft

Diurnal range

Highest observed water level: 10.71 ft above MLLW on September 24, 1992. Tidal datum epoch 1983-2001.

Nearby tide stations

State Road 312, Matanzas River2.7 mi · next high 2:56 PM
St. Augustine, city dock3.7 mi · next high 2:40 PM
Vilano Beach, Tolomato River4.7 mi · next high 2:46 PM
Crescent Beach, Matanzas River6.1 mi · next high 3:39 PM
Fort Matanzas, Matanzas River, ICWW9.9 mi · next high 3:03 PM
Tolomato River (ICWW)10 mi · next high 3:39 PM

Questions

What time is high tide at St. Augustine Beach today?

High tide at St. Augustine Beach, Florida on Sunday, October 18, 2026 is at 2:00 AM (4.0 ft above MLLW) and 2:29 PM (4.7 ft above MLLW), NOAA prediction, local time.

What time is low tide at St. Augustine Beach today?

Low tide at St. Augustine Beach on Sunday, October 18, 2026 is at 8:11 AM (1.5 ft) and 9:06 PM (1.6 ft).

What is the water temperature at St. Augustine Beach?

The nearest NOAA water-temperature reading to St. Augustine Beach is 79.7 F at buoy 41117 (15 mi away), as of October 18, 2026.

Not for navigation. Predictions do not include weather; wind and pressure can move the real water level by a foot or more. Source: NOAA CO-OPS station 8720587.